Method and apparatus for lifting and supporting a building structure

Active Publication Date: 2014-05-06
EARTH CONTACT PROD L L C
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a way to attach a small pile to a building to keep it stable or to lift it up. The attachment uses a special bracket that allows extra space between the pile and the building. This space is needed to drill the hole and support the structure properly. The invention helps to make it easier to stabilize or lift buildings using a small pile.

Problems solved by technology

Because of the dimensions of a typical drill rig assembly, however, which typically includes a base, stand and drill head, a vertically drilled pier cannot typically be installed as close horizontally to a building structure as a hydraulically driven vertical pier.
Each such solution presents disadvantages in that the first may compromise the structural integrity of the footing, as well as increase installation labor, and the second solution yields a pier unable to bear the same load as a vertically oriented pier.

Method used

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  • Method and apparatus for lifting and supporting a building structure
  • Method and apparatus for lifting and supporting a building structure
  • Method and apparatus for lifting and supporting a building structure

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Embodiment Construction

[0017]As required, a detailed embodiment of the present invention is disclosed herein; however, it is to be understood that the disclosed embodiment is merely exemplary of the invention, which may be embodied in various forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure.

[0018]Referring now to the drawings. FIGS. 1 through 7 illustrate several embodiments of a pier driving system, and elements thereof, for stabilizing and lifting preexisting structures built upon foundations such as poured concrete or masonry footings.

[0019]FIG. 1 is a side view of a micro pile pier 100 including a hollow micro pile shaft 105 drilled into ground 110 proximate a building structure footing 115 with the pier 100 attached to the footing 115 using a...

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Abstract

A method and apparatus for installing remedial piers in which substantially vertical piers are located in close proximity to the wall and footing of an existing structure and are drilled to a substantial depth to penetrate a rock stratum or debris-laden soil. The piers support the structure upon eccentric brackets to transfer the structural load from the footing to the piles. Installation of the piers is followed by a continuous lift of the structure via hydraulic manifold.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]This application claims the benefit of the prior filed, provisional application Ser. No. 61 / 149,344, filed Feb. 3, 2009.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a method and associated apparatus for lifting, stabilizing and supporting a pre-existing building structure, and more particularly, a method for using a series of brackets to attach a building structure to piers drilled vertically into the ground proximate the building structure, and lifting the brackets substantially concurrently to raise the building structure relative to the piers.[0004]2. Description of the Related Art[0005]Methods for lifting pre-existing building structures upon piers driven into the ground around a portion of the structure typically utilize hydraulic rams that drive steel pier pipes into the ground until either sufficient ground resistance is achieved or the lower end of the pier strikes a suitable load...

Claims

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Application Information

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IPC IPC(8): E02D5/00
CPCE02D5/00E02D35/005
Inventor MITCHELL, BRAD
Owner EARTH CONTACT PROD L L C
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